81560504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1901}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 158855040

約数和(自身を除く): 77294536

約数列:

[1, 2, 4, 8, 31, 62, 124, 173, 248, 346, 692, 1384, 1901, 3802, 5363, 7604, 10726, 15208, 21452, 42904, 58931, 117862, 235724, 328873, 471448, 657746, 1315492, 2630984, 10195063, 20390126, 40780252, 81560504]

約数ペア:

[(1, 81560504), (2, 40780252), (4, 20390126), (8, 10195063), (31, 2630984), (62, 1315492), (124, 657746), (173, 471448), (248, 328873), (346, 235724), (692, 117862), (1384, 58931), (1901, 42904), (3802, 21452), (5363, 15208), (7604, 10726)]